急性脑梗死患者的脑电压缩频谱研究  

A study on the electroencephalograms of patients with acute cerebral infarction by compressed spectral array

作　　者：余巨明[1] 龙存国[1] 李秋茹[1] 张丽兰[1] 郑霞清[1] 

机构地区：[1]川北医学院附属医院神经内科,南充637000

出　　处：《川北医学院学报》1999年第4期4-6,共3页Journal of North Sichuan Medical College

基　　金：四川省教委资助!9706

摘　　要：目的：探讨压缩谱阵（CSA）对于急性脑梗死（ACI）患者脑电的临床应用价值。方法：对观例ACI患者和20例年龄相匹配的正常人的常规脑电图作CSA显示，并观察脑电相对功率，90％谱边缘频率（SEF）和中间频率（MPF）的变化。结果：ACI患者的CSA图形以慢频带话峰突出或为主峰，并以病例为著，过度换气（HV）中有明显变化，同对照组明显不同；δ、θ相对功率患侧极显著地高于健侧与对照组，SEF、MPF则患侧明显慢于健侧与对照组。结论：CSA不仅直观，而且能充分显示ACI患者的脑电图特征，并提供定侧定位的信息。Objectives: To explore the value of CSA in analysing the eleetroencephalograms of patients with acute cerebtal in hation (ACI) .Methods: Forty patients with ACI and twenty age-matched healthy persons were studied by CSA. The EEG relative power, spcctral edge hequency(SEF90% )and median power frequency(MPF) were observed. Results: The spectrograms of patients with ACI were distincily different from those of controls in tha the former had marked or predominant peak(s) which was(were) always higher over the infarction hemispherein slow wave frequency bands, and these spectrograms may be changeable during hyperventilation; Compared with non-infartion hemisphere and controls, the EEC relative power of δ、θ frequency band were signifcant higher, and SEF、MPF were distinct slower in the in farction hemisphere. Conclusion: CSA is no ouly easy interPretahon, but can fully show the characterishic of EEG in patients with ACI and provide information for the infarcion location.

关 键 词：压缩谱阵 脑电图 脑梗死 

分 类 号：R743.33[医药卫生—神经病学与精神病学] R741.044[医药卫生—临床医学]